3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $_SESSION_start(); $_SESSION['error']="666"; echo $_SESSION['error']; ?>
based on B9q3O
Output for 7.0.0 - 7.2.0
Notice: Undefined variable: _SESSION_start in /in/itSvr on line 2 Fatal error: Uncaught Error: Function name must be a string in /in/itSvr:2 Stack trace: #0 {main} thrown in /in/itSvr on line 2
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Notice: Undefined variable: _SESSION_start in /in/itSvr on line 2 Fatal error: Function name must be a string in /in/itSvr on line 2
Process exited with code 255.